Food Testing

Which of these foods is tested for using Benedicts solution?

• Starch

• Sugar

• Protein

• Fat

Which of these foods is tested for using Iodine?

• Starch

• Sugar

• Protein

• Fat

Which of these foods is tested for using Biuret solution?

• Starch

• Sugar

• Protein

• Fat

Which of these foods is tested for using Ethanol?

• Starch

• Sugar

• Protein

• Fat

What does this result tell you about the food test in the diagram?

• Positive test for Starch

• Negative test for Starch

• Positive test for Protein

• Negative test of Protein

This diagram shows the range of results you get for different concentrations of sugar when you do the...

• Ethanol test

• Biuret test

• Benedicts test

• Iodine test

This diagram shows the procedure for the ethanol test. If there is a positive result...

• It will be clear showing fat is present

• It will be clear showing protein is present

• It will be cloudy showing fat is present

• It will be cloudy showing protein is present

The results of the Biuret test are shown in the diagram. If the purple colour is seen in the result, the food must contain...

• Fat

• Protein

• Starch

• Sugar

Which of these food test methods involves heating the food sample with the test solution?

• Iodine

• Biuret

• Ethanol

• Benedicts

A food was chemically tested with a solution that changed from orange/red to blue/black? Which solution was the food tested with?

• Biuret

• ethanol

• Benedict's

• iodine